summaryrefslogtreecommitdiff
path: root/.config/nvim/lua/lsp/init.lua
blob: e3967df5ca27c08e3d5e6fba0312829f1c9f04eb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
local M = {}
local Log = require "core.log"
local utils = require "utils"

local function lsp_highlight_document(client)
  if options.lsp.document_highlight == false then
    return -- we don't need further
  end
  -- Set autocommands conditional on server_capabilities
  if client.resolved_capabilities.document_highlight then
    vim.api.nvim_exec(
      [[
      augroup lsp_document_highlight
        autocmd! * <buffer>
        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
      augroup END
    ]],
      false
    )
  end
end

local function add_lsp_buffer_keybindings(bufnr)
  local mappings = {
    normal_mode = "n",
    insert_mode = "i",
    visual_mode = "v",
  }

  if options.builtin.which_key.active then
    -- Remap using which_key
    local status_ok, wk = pcall(require, "which-key")
    if not status_ok then
      return
    end
    for mode_name, mode_char in pairs(mappings) do
      wk.register(options.lsp.buffer_mappings[mode_name], { mode = mode_char, buffer = bufnr })
    end
  else
    -- Remap using nvim api
    for mode_name, mode_char in pairs(mappings) do
      for key, remap in pairs(options.lsp.buffer_mappings[mode_name]) do
        vim.api.nvim_buf_set_keymap(bufnr, mode_char, key, remap[1], { noremap = true, silent = true })
      end
    end
  end
end

function M.common_capabilities()
  local capabilities = vim.lsp.protocol.make_client_capabilities()
  capabilities.textDocument.completion.completionItem.snippetSupport = true
  capabilities.textDocument.completion.completionItem.resolveSupport = {
    properties = {
      "documentation",
      "detail",
      "additionalTextEdits",
    },
  }

  local status_ok, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
  if status_ok then
    capabilities = cmp_nvim_lsp.update_capabilities(capabilities)
  end

  return capabilities
end

local function select_default_formater(client)
  local client_formatting = client.resolved_capabilities.document_formatting
    or client.resolved_capabilities.document_range_formatting
  if client.name == "null-ls" or not client_formatting then
    return
  end
  Log:debug("Checking for formatter overriding for " .. client.name)
  local client_filetypes = client.config.filetypes or {}
  for _, filetype in ipairs(client_filetypes) do
    if not vim.tbl_isempty(options.lang[filetype].formatters) then
      Log:debug("Formatter overriding detected. Disabling formatting capabilities for " .. client.name)
      client.resolved_capabilities.document_formatting = false
      client.resolved_capabilities.document_range_formatting = false
      return
    end
  end
end

function M.common_on_init(client, bufnr)
  if options.lsp.on_init_callback then
    options.lsp.on_init_callback(client, bufnr)
    Log:debug "Called lsp.on_init_callback"
    return
  end
  select_default_formater(client)
end

function M.common_on_attach(client, bufnr)
  if options.lsp.on_attach_callback then
    options.lsp.on_attach_callback(client, bufnr)
    Log:debug "Called lsp.on_attach_callback"
  end
  lsp_highlight_document(client)
  add_lsp_buffer_keybindings(bufnr)
end

local function bootstrap_nlsp(opts)
  opts = opts or {}
  local lsp_settings_status_ok, lsp_settings = pcall(require, "nlspsettings")
  if lsp_settings_status_ok then
    lsp_settings.setup(opts)
  end
end

function M.get_common_opts()
  return {
    on_attach = M.common_on_attach,
    on_init = M.common_on_init,
    capabilities = M.common_capabilities(),
  }
end

function M.setup()
  Log:debug "Setting up LSP support"

  local lsp_status_ok, _ = pcall(require, "lspconfig")
  if not lsp_status_ok then
    return
  end

  for _, sign in ipairs(options.lsp.diagnostics.signs.values) do
    vim.fn.sign_define(sign.name, { texthl = sign.name, text = sign.text, numhl = sign.name })
  end
  require("lsp.handlers").setup()

  if not utils.is_directory(options.lsp.templates_dir) then
    require("lsp.templates").generate_templates()
  end

  bootstrap_nlsp { config_home = utils.join_paths(get_config_dir(), "lsp-settings") }

  require("lsp.null-ls").setup()

  require("utils").toggle_autoformat()
end

return M